package com.example.springboot.mapper;

import com.example.springboot.pojo.Department;
import com.example.springboot.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@Repository  //被spring托管
public class EmployeeMapper {

    //模拟数据库中的数据
    private static Map<Integer, Employee> employees=null;

    //员工有所属的部门
    @Autowired
    private DepartmentMapper departmentMapper;

    static {
        employees =new HashMap<Integer, Employee>();

        employees.put(1001,new Employee(1001,"张三","1001@qq0com",0,new Department(101,"教学部")));
        employees.put(1002,new Employee(1002,"李四","1002@qq0com",1,new Department(102,"市场部")));
        employees.put(1003,new Employee(1003,"王五","1003@qq0com",0,new Department(103,"教研部")));
        employees.put(1004,new Employee(1004,"老六","1004@qq0com",1,new Department(104,"后勤部")));
        employees.put(1005,new Employee(1005,"田七","1005@qq0com",0,new Department(105,"运营部")));
    }

    private  static Integer initId=1006;
    public void save(Employee employee){
        if(employee.getId()==null){
            employee.setId(initId++);
        }
        if(employee.getBirth()==null){
            employee.setBirth(new Date());
        }
        employee.setDepartment(departmentMapper.getDepartmentById(employee.getDepartment().getId()));
        employees.put(employee.getId(),employee);
    }

    //查询全部员工信息
    public Collection<Employee> getAll(){
        return employees.values();
    }

    //通过id查询员工
    public Employee getEmployeeById(Integer id){
        return employees.get(id);
    }

    //删除一个员工
    public void DeleteEmp(Employee employee){
        employees.remove(employee);
    }


}
